Backend architecture, APIs, security, and operations for dependable software products.
September 17, 2025 · 15 min read
A production guide to API error handling using RFC 9457 Problem Details, semantic HTTP status codes, safe retry strategies, and observability boundaries.
September 16, 2025 · 18 min read
A practical guide to designing idempotent APIs: HTTP semantics, Idempotency-Key headers, atomic distributed locks, payload hashing, replay caches, and database patterns.
September 15, 2025 · 15 min read
A deep dive into refresh tokens and session management: token rotation, reuse detection, secure client storage, and distributed session revocation architecture.
September 14, 2025 · 19 min read
A comprehensive engineering guide to JWT authentication: RFC 7519 mechanics, signing algorithms, critical attack vectors, revocation tradeoffs, and token rotation.
September 13, 2025 · 19 min read
A deep architectural guide to modern application authentication: WebAuthn, FIDO2 passkeys, session topologies, OIDC federation, and Zero Trust continuous verification.
September 12, 2025 · 16 min read
A comprehensive engineering guide to authentication (AuthN) vs authorization (AuthZ): protocols, state models, RBAC, ABAC, ReBAC, and mitigation of BOLA and BFLA.
